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The Diocese of Rome (; ), also called the Vicariate of Rome, is a
Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...
diocese In Ecclesiastical polity, church governance, a diocese or bishopric is the ecclesiastical district under the jurisdiction of a bishop. History In the later organization of the Roman Empire, the increasingly subdivided Roman province, prov ...
of the
Catholic Church The Catholic Church (), also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.27 to 1.41 billion baptized Catholics Catholic Church by country, worldwid ...
under the direct
jurisdiction Jurisdiction (from Latin 'law' and 'speech' or 'declaration') is the legal term for the legal authority granted to a legal entity to enact justice. In federations like the United States, the concept of jurisdiction applies at multiple level ...
of the
pope The pope is the bishop of Rome and the Head of the Church#Catholic Church, visible head of the worldwide Catholic Church. He is also known as the supreme pontiff, Roman pontiff, or sovereign pontiff. From the 8th century until 1870, the po ...
, who is Bishop of Rome and hence the supreme
pontiff In Roman antiquity, a pontiff () was a member of the most illustrious of the colleges of priests of the Roman religion, the College of Pontiffs."Pontifex". "Oxford English Dictionary", March 2007 The term ''pontiff'' was later applied to any h ...
and head of the worldwide Catholic Church. As the
Holy See The Holy See (, ; ), also called the See of Rome, the Petrine See or the Apostolic See, is the central governing body of the Catholic Church and Vatican City. It encompasses the office of the pope as the Bishops in the Catholic Church, bishop ...
, the papacy is a sovereign entity with diplomatic relations, and it has civil jurisdiction over
Vatican City Vatican City, officially the Vatican City State (; ), is a Landlocked country, landlocked sovereign state and city-state; it is enclaved within Rome, the capital city of Italy and Bishop of Rome, seat of the Catholic Church. It became inde ...
(located geographically within the city of
Rome Rome (Italian language, Italian and , ) is the capital city and most populated (municipality) of Italy. It is also the administrative centre of the Lazio Regions of Italy, region and of the Metropolitan City of Rome. A special named with 2, ...
). The Diocese of Rome is the
metropolitan diocese A metropolis, metropolitanate or metropolitan diocese is an episcopal see whose bishop is the metropolitan bishop or archbishop of an ecclesiastical province. Metropolises, historically, have been important cities in their provinces. Eastern Ortho ...
of the Province of Rome, an
ecclesiastical province An ecclesiastical province is one of the basic forms of jurisdiction in Christian churches, including those of both Western Christianity and Eastern Christianity, that have traditional hierarchical structures. An ecclesiastical province consist ...
in the Ecclesiastical Region of Lazio in Italy. According to
Catholic tradition Sacred tradition, also called holy tradition, Anno Domini tradition or apostolic tradition, is a theological term used in Christian theology. According to this theological position, sacred Tradition and Scripture form one ''deposit'', so sacred T ...
, the first bishop of Rome was
Saint Peter Saint Peter (born Shimon Bar Yonah; 1 BC – AD 64/68), also known as Peter the Apostle, Simon Peter, Simeon, Simon, or Cephas, was one of the Twelve Apostles of Jesus and one of the first leaders of the Jewish Christian#Jerusalem ekklēsia, e ...
during the first century. Historically, many Rome-born men – as well as others born elsewhere on the Italian peninsula – served as bishops of Rome. Since 1900, however, there has been only one Rome-born bishop of Rome,
Pius XII Pope Pius XII (; born Eugenio Maria Giuseppe Giovanni Pacelli; 2 March 18769 October 1958) was the head of the Catholic Church and sovereign of the Vatican City State from 2 March 1939 until his death on 9 October 1958. He is the most recent p ...
(1939–1958). In addition, throughout history, non-Italians have served as bishops of Rome, beginning with the first of them according to Catholic tradition – Saint Peter. The Diocese of Rome is the primatial see of Italy, and its cathedral is the
Archbasilica of Saint John Lateran The Archbasilica of Saint John Lateran (officially the ''Major Papal, Patriarchal and Roman Archbasilica, Metropolitan and Primatial Cathedral of the Most Holy Savior and Saints John the Baptist and the Evangelist in Lateran, Mother and Head of A ...
. The primate of Italy is the pope, holding primacy of honor over the Italian sees and also primacy of jurisdiction over all other episcopal sees by Catholic tradition.


Titles

The pope is the Bishop of Rome, and some of his titles derive from this specific role. The official list of papal titles, in the order they are dictated by the in 2024, is: * Bishop of Rome () * Vicar of Jesus Christ () * Successor of the
Prince of the Apostles The primacy of Peter, also known as Petrine primacy (from the ), is the position of preeminence that is attributed to Peter among the Twelve Apostles. Primacy of Peter among the Apostles The '' Evangelical Dictionary of Theology'' illustrate ...
() *
Supreme Pontiff The pope is the bishop of Rome and the visible head of the worldwide Catholic Church. He is also known as the supreme pontiff, Roman pontiff, or sovereign pontiff. From the 8th century until 1870, the pope was the sovereign or head of sta ...
of the Universal Church () *
Patriarch of the West Patriarch of the West () is one of the official titles of the Bishop of Rome, as patriarch and highest authority of the Latin Church. History The origin of the definition of the patriarch of the West is linked to the disestablishment of the ...
() *
Primate Primates is an order (biology), order of mammals, which is further divided into the Strepsirrhini, strepsirrhines, which include lemurs, galagos, and Lorisidae, lorisids; and the Haplorhini, haplorhines, which include Tarsiiformes, tarsiers a ...
of Italy () *
Metropolitan Archbishop Metropolitan may refer to: Areas and governance (secular and ecclesiastical) * Metropolitan archdiocese, the jurisdiction of a metropolitan archbishop ** Metropolitan bishop or archbishop, leader of an ecclesiastical "mother see" * Metropolitan ar ...
of the
Roman Province The Roman provinces (, pl. ) were the administrative regions of Ancient Rome outside Roman Italy that were controlled by the Romans under the Roman Republic and later the Roman Empire. Each province was ruled by a Roman appointed as Roman g ...
() *
Sovereign ''Sovereign'' is a title that can be applied to the highest leader in various categories. The word is borrowed from Old French , which is ultimately derived from the Latin">-4; we might wonder whether there's a point at which it's appropriate to ...
of the Vatican City State () *
Servant of the Servants of God "Servant of the servants of God" () is one of the titles of the Pope and is used at the beginning of papal bulls. History Pope Gregory I Pope Gregory I (; ; – 12 March 604), commonly known as Saint Gregory the Great (; ), was the 64th ...
() The title "pope" is not in the official list, but is commonly used in the titles of documents, and appears, in abbreviated form, in papal signatures.


History


Origins

The best evidence available for the origins of the Church in Rome is
Saint Paul Paul, also named Saul of Tarsus, commonly known as Paul the Apostle and Saint Paul, was a Christian apostle ( AD) who spread the teachings of Jesus in the first-century world. For his contributions towards the New Testament, he is generally ...
's
Epistle to the Romans The Epistle to the Romans is the sixth book in the New Testament, and the longest of the thirteen Pauline epistles. Biblical scholars agree that it was composed by Paul the Apostle to explain that Salvation (Christianity), salvation is offered ...
. This indicates that the church was established probably by the early 40s AD.
Saint Peter Saint Peter (born Shimon Bar Yonah; 1 BC – AD 64/68), also known as Peter the Apostle, Simon Peter, Simeon, Simon, or Cephas, was one of the Twelve Apostles of Jesus and one of the first leaders of the Jewish Christian#Jerusalem ekklēsia, e ...
became associated with this church sometime between the year 58 and the early 60s. According to one historian:
The final years of the first century and the early years of the second constitute the "postapostolic" period, as reflected in the extrabiblical writings of
Clement of Rome Clement of Rome (; ; died ), also known as Pope Clement I, was the Pope, Bishop of Rome in the Christianity in the 1st century, late first century AD. He is considered to be the first of the Apostolic Fathers of the Church. Little is known about ...
and Ignatius of Antioch. By now the church at Rome was exercising a pastoral care that extended beyond its own community, having replaced Jerusalem as the practical center of the growing universal Church. Appeals were made to Peter and Paul, with whom the Roman church was most closely identified.


Modern times

On 6 January 2023, by the
apostolic constitution An apostolic constitution () is the most solemn form of legislation issued by the Pope.New Commentary on the Code of Canon Law, pg. 57, footnote 36. By their nature, apostolic constitutions are addressed to the public. Generic constitutions use ...
''In Ecclesiarum Communione'',
Pope Francis Pope Francis (born Jorge Mario Bergoglio; 17 December 1936 – 21 April 2025) was head of the Catholic Church and sovereign of the Vatican City State from 13 March 2013 until Death and funeral of Pope Francis, his death in 2025. He was the fi ...
reorganised the diocese to make it more
collegial Collegiality is the relationship between colleagues, especially among peers, for example a fellow member of the same profession. Colleagues are those explicitly united in a common purpose and, at least in theory, respect each other's abilities t ...
and to reinforce the role of the pope in it.


Territory

The diocese covers a territory of of which is in the Vatican City State and the rest is in Italy. The diocese has 1,219 diocesan priests of its own, while 2,331 priests of other dioceses, 5,072
religious Religion is a range of social- cultural systems, including designated behaviors and practices, morals, beliefs, worldviews, texts, sanctified places, prophecies, ethics, or organizations, that generally relate humanity to supernatural ...
priests and 140
Opus Dei is an institution of the Catholic Church that was founded in Spain in 1928 by Josemaría Escrivá. Its stated mission is to help its lay and clerical members seek holiness in their everyday occupations and societies. Opus Dei is officially r ...
priests reside in its territory, as do 2,266 women religious. In 2004, they ministered to an estimated 2,454,000
faithful Faithful may refer to: Film and television * ''Faithful'' (1910 film), an American comedy short directed by D. W. Griffith * ''Faithful'' (1936 film), a British musical drama directed by Paul L. Stein * ''Faithful'' (1996 film), an American cr ...
, who made up 88% of the population of the territory. The city of Rome has grown beyond the boundaries of the diocese. Notable parts of the city belong to the dioceses of Ostia and Porto-Santa Rufina. Ostia is administered together with the Vicariate of the city and thus included in the statistics given below, while Porto is instead administered by its own diocesan bishop. The diocese covers an area of 849 km2 and includes most of the city and the municipality of Rome in Italy, and the entire territory of Vatican City. The diocese is divided into two vicariates, each with its respective
vicar general A vicar general (previously, archdeacon) is the principal deputy of the bishop or archbishop of a diocese or an archdiocese for the exercise of administrative authority and possesses the title of local ordinary. As vicar of the bishop, the vica ...
. Two vicars general exercise the episcopal ministry and pastoral government for their respective territories within the diocese of Rome. Unless the bishop of a diocese reserves some acts to himself, vicars general have by law within a diocese the power to undertake all administrative acts that pertain to the bishop except those that in law require a special mandate of the bishop.


Vicariate of Vatican City

This vicariate has responsibility for the territory of
Vatican City Vatican City, officially the Vatican City State (; ), is a Landlocked country, landlocked sovereign state and city-state; it is enclaved within Rome, the capital city of Italy and Bishop of Rome, seat of the Catholic Church. It became inde ...
. It consists of two
parish A parish is a territorial entity in many Christianity, Christian denominations, constituting a division within a diocese. A parish is under the pastoral care and clerical jurisdiction of a priest#Christianity, priest, often termed a parish pries ...
es:
Saint Peter's Basilica The Papal Basilica of Saint Peter in the Vatican (), or simply St. Peter's Basilica (; ), is a church of the Italian Renaissance architecture, Italian High Renaissance located in Vatican City, an independent microstate enclaved within the cit ...
and Saint Anne in the Vatican. Its pastoral mission with respect to residents of its territory is minimal. It is primarily concerned with providing appropriate services to tourists, pilgrims, and others in Rome who avail themselves of services provided in Vatican City. Since 1991, the vicar general for Vatican City has been the cardinal who is the archpriest of St. Peter's Basilica, currently Cardinal
Mauro Gambetti Mauro Gambetti, OFM Conv. (born 27 October 1965) is an Italian Catholic prelate who has served as archpriest of Saint Peter's Basilica, Vicar General for the Vatican City State, and president of the Fabric of Saint Peter since 2021. He was co ...
.


Vicariate of Rome

The vicariate general (''Vicariatus urbis'') for the diocesan territory outside of Vatican City, territory that is under Italian sovereignty, is based at the
Archbasilica of Saint John Lateran The Archbasilica of Saint John Lateran (officially the ''Major Papal, Patriarchal and Roman Archbasilica, Metropolitan and Primatial Cathedral of the Most Holy Savior and Saints John the Baptist and the Evangelist in Lateran, Mother and Head of A ...
, which is the
cathedral A cathedral is a church (building), church that contains the of a bishop, thus serving as the central church of a diocese, Annual conferences within Methodism, conference, or episcopate. Churches with the function of "cathedral" are usually s ...
of the diocese. The
vicar general A vicar general (previously, archdeacon) is the principal deputy of the bishop or archbishop of a diocese or an archdiocese for the exercise of administrative authority and possesses the title of local ordinary. As vicar of the bishop, the vica ...
for the Vicariate of Rome has for centuries been called the
cardinal vicar Cardinal vicar () is a title commonly given to the vicar general of the Diocese of Rome for the portion of the diocese within Italy (i.e. excluding the portion within Vatican City). The official title, as given in the ''Annuario Pontificio'', i ...
(). The vicariate has 336 active and 5 suppressed parishes in its territory. Since 1970 the vicar of the city of Rome has also been assigned the office of archpriest of the Lateran Archbasilica, where the diocesan curia has its headquarters. From a strictly pastoral point of view, the diocese is divided into five sectors: north, south, east, west, and center. Each sector is assigned an auxiliary bishop who collaborates with the vicar general and the vicegerent in the pastoral administration of the diocese. The five bishops of the sectors can be joined by other auxiliary bishops for specific pastoral areas such as health care ministry. In January 2023, Pope Francis reorganized the Diocese of Rome, greatly restricted the role of vicar general. He defined the role of each auxiliary bishop and took direct charge of many diocesan decisions. He defined the vicar general's role as a coordinator of the work of diocesan bodies, defined him as an auxiliary, and restricted his sphere of responsibility with the rule that the vicar general "will not undertake important initiatives or ones exceeding ordinary administration without first reporting to me".


Ecclesiastical Province of Rome


Suburbicarian sees

Six of the dioceses of the Roman Province are described as suburbicarian.For the etymology of this word, see Each
suburbicarian diocese The seven suburbicarian dioceses (, ) are Catholic dioceses located in the vicinity of Rome, whose ( titular) bishops are the (now six) ordinary members of the highest-ranking order of cardinals, the cardinal bishops (to which the cardinal patriar ...
has a
cardinal bishop A cardinal is a senior member of the clergy of the Catholic Church. As titular members of the clergy of the Diocese of Rome, they serve as advisors to the pope, who is the bishop of Rome and the visible head of the worldwide Catholic Church. C ...
at its titular head. * Suburbicarian See of Porto-Santa Rufina * Suburbicarian See of Albano *
Suburbicarian See of Frascati The Diocese of Frascati (Lat.: ''Tusculana'') is a Latin suburbicarian see of the Diocese of Rome and a diocese of the Catholic Church in Italy, based at Frascati, near Rome. The bishop of Frascati is a Cardinal Bishop; from the Latin name of the ...
*
Suburbicarian See of Palestrina The Suburbicarian Diocese of Palestrina () is a Latin suburbicarian diocese centered on the comune of Palestrina in Italy. The current bishop of Palestrina is Mauro Parmeggiani, who was appointed by Pope Francis on 19 February 2019. Prior to hi ...
*
Suburbicarian See of Sabina-Poggio Mirteto The seven suburbicarian dioceses (, ) are Catholic dioceses located in the vicinity of Rome, whose (titular) bishops are the (now six) ordinary members of the highest-ranking order of cardinals, the cardinal bishops (to which the cardinal patriarc ...
* Suburbicarian See of Velletri-Segni


Diocese of Ostia

There remains the titular Suburbicarian See of Ostia, held, in addition to his previous suburbicarian see, by the cardinal bishop elected
Dean of the College of Cardinals The dean of the College of Cardinals () presides over the College of Cardinals in the Catholic Church, serving as ('first among equals'). The position was established in the 12th century. He always holds the rank of a cardinal bishop and is as ...
. The Diocese of Ostia was merged with the Diocese of Rome in 1962, and is now administered by a vicar general, in tight cooperation with the vicar general for Rome. It was also diminished to contain only the cathedral parish of Ostia (Sant'Aurea in Ostia Antica), which, however, in 2012 was divided into two parishes, which together form the present diocese of Ostia.


Suffragan sees

Other Italian dioceses having Rome as their
metropolitan see Metropolitan may refer to: Areas and governance (secular and ecclesiastical) * Metropolitan archdiocese, the jurisdiction of a metropolitan archbishop ** Metropolitan bishop or archbishop, leader of an ecclesiastical "mother see" * Metropolitan ...
: * Archdiocese of Gaeta (non-Metropolitan) *
Diocese of Anagni-Alatri The Diocese of Anagni-Alatri () is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Lazio, Italy. It has existed in its current form since 1986. In that year the Diocese of Alatri was united to the historical Diocese o ...
* Diocese of Civita Castellana * Diocese of Civitavecchia-Tarquinia * Diocese of Frosinone-Veroli-Ferentino * Diocese of Latina-Terracina-Sezze-Priverno *
Diocese of Rieti The Diocese of Rieti () is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Italy. It is immediately exempt to the Holy See.
* Diocese of Sora-Cassino-Aquino-Pontecorvo * Diocese of Tivoli * Diocese of Viterbo *
Territorial Abbey of Montecassino The Abbey of Monte Cassino (today usually spelled Montecassino) is a Catholic, Benedictine monastery on a rocky hill about southeast of Rome, in the Latin Valley. Located on the site of the ancient Roman town of Casinum, it is the first house ...
* Territorial Abbey of Subiaco


Other exempt (directly subject) sees

Numerous ordinaries and
personal prelature A personal prelature is an institution of the Catholic Church which comprises clergy, and optionally laity, under the jurisdiction of a prelate, which undertakes specific pastoral activities. Along with dioceses, and later military ordinariates, ...
s outside the province of Rome, worldwide, are "Exempt", i.e. "directly subject to the Holy See", not part of any
ecclesiastical province An ecclesiastical province is one of the basic forms of jurisdiction in Christian churches, including those of both Western Christianity and Eastern Christianity, that have traditional hierarchical structures. An ecclesiastical province consist ...
, including: * Various Latin Church dioceses directly subject to the Holy See, either due to the type of see, such as the missionary pre-diocesan
Apostolic prefecture An apostolic prefect or prefect apostolic is a priest who heads what is known as an apostolic prefecture, a 'pre-diocesan' missionary jurisdiction where the Catholic Church is not yet sufficiently developed to have it made a diocese. Although it ...
s and
Apostolic vicariate An apostolic vicariate is a territorial jurisdiction of the Catholic Church under a titular bishop centered in missionary regions and countries where dioceses or parishes have not yet been established. The status of apostolic vicariate is often ...
s, (although a few are exceptionally joined to an ecclesiastical province) until their promotion to 'full' bishopric, or wherever the Vatican sees fit not to assign a specific see to a province *
Personal prelature A personal prelature is an institution of the Catholic Church which comprises clergy, and optionally laity, under the jurisdiction of a prelate, which undertakes specific pastoral activities. Along with dioceses, and later military ordinariates, ...
s such as
Opus Dei is an institution of the Catholic Church that was founded in Spain in 1928 by Josemaría Escrivá. Its stated mission is to help its lay and clerical members seek holiness in their everyday occupations and societies. Opus Dei is officially r ...
*
Apostolic exarchate An exarch (; from Ancient Greek ἔξαρχος ''exarchos'') was the holder of any of various historical offices, some of them being political or military and others being ecclesiastical. In the late Roman Empire and early Byzantine Empire, ...
s, Eastern Catholic pre-diocesan sees *
Ordinariates for Eastern Catholic faithful In the organisation of the Catholic Church and of the Anglican Communion an ordinariate is a pre- or pseudo-diocesan ecclesiastical structure, of geographical or personal nature, headed by an ordinary who is not necessarily a bishop. An ordinaria ...
, Eastern Catholic, where one or more rite-specific churches ''sui iuris'' lack any proper jurisdiction *
Personal ordinariate A personal ordinariate for former Anglicans, shortened as personal ordinariate or Anglican ordinariate,"Bishop Stephen Lopes of the Anglican Ordinariate of the Chair of St Peter..." is a canonical structure within the Catholic Church establis ...
s for former Anglicans * Various military ordinariates for
armed forces A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. Militaries are typically authorized and maintained by a sovereign state, with their members identifiable by a ...
personnel


See also

*
Holy See The Holy See (, ; ), also called the See of Rome, the Petrine See or the Apostolic See, is the central governing body of the Catholic Church and Vatican City. It encompasses the office of the pope as the Bishops in the Catholic Church, bishop ...
*
Papal primacy Papal primacy, also known as the primacy of the bishop of Rome, is an ecclesiological doctrine in the Catholic Church concerning the respect and authority that is due to the pope from other bishops and their episcopal sees. While the doctri ...


Notes


References


External links

*
Official website of the Holy See


– Catholic-hierarchy.org

– GCatholic.org {{DEFAULTSORT:Diocese Of Rome Apostolic sees
Rome Rome (Italian language, Italian and , ) is the capital city and most populated (municipality) of Italy. It is also the administrative centre of the Lazio Regions of Italy, region and of the Metropolitan City of Rome. A special named with 2, ...
40s establishments in the Roman Empire 1st-century establishments in Italy Roman Catholic ecclesiastical provinces in Italy